Birth Order and College Success In a studyof the
Chapter 8, Problem 63(choose chapter or problem)
Birth Order and College Success In a studyof the relationship between birth order and college success,an investigator found that 126 in a sample of 180college graduates were firstborn or only children. In asample of 100 nongraduates of comparable age and socioeconomic background, the number of firstborn oronly children was 54. Estimate the difference betweenthe proportions of firstborn or only children in the twopopulations from which these samples were drawn. Usea 90% confidence interval and interpret your results
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